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The Research of Power Line Communication Modulation Based on DDS

Author: NieLiXian
Tutor: XieZhiYuan
School: North China Electric Power University (Hebei)
Course: Signal and Information Processing
Keywords: Channel model Multi-carrier Direct digital frequency synthesis (DDS) ARM
CLC: TM73
Type: Master's thesis
Year: 2010
Downloads: 73
Quote: 0
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Abstract


Medium-voltage power line communication plays a very important role in the field of distribution automation . In order to achieve the medium-voltage power line communication , the thesis studies the attenuation characteristics of the medium voltage power line channel and noise characteristics and medium voltage distribution network channel modeling . Medium voltage PLC communication modulation technology . For the channel characteristics of the medium voltage power lines , there is a multicarrier FSK modulation technique . On the basis of research DDS modulation principle , based DDS PLC communication modulation system design , hardware design of the completion of a multi-carrier FSK modulation and demodulation system . Combined with specific hardware implementation , and discusses the process of modulation and demodulation algorithm implemented in software on the ARM . Take the necessary anti-jamming measures to improve the reliability of the system .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system scheduling, management, communication
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